Answered: ber becomes a single digit number equal…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

Magic Number of coding-:
A number is said to be a magic number,
if summing the digits of the number and then recursively repeating this process for the given sum
untill the number becomes a single digit number equal to 1.

Example:
Number = 50113 => 5+0+1+1+3=10 => 1+0=1 [This is a Magic Number]
Number = 1234 => 1+2+3+4=10 => 1+0=1 [This is a Magic Number]
Number = 199 => 1+9+9=19 => 1+9=10 => 1+0=1 [This is a Magic Number]
Number = 111 => 1+1+1=3 [This is NOT a Magic Number].

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